The cap was reduced to 30p/kWh for electricity and 8p/kWh for gas. If you are not on a smart meter, you should submit a new reading as soon as possible to make sure your costs are computed as accurately as possible.
This is a shameless inspiration from this reddit post.
Of course, my monthly direct debit went up by £60 anyway and they won’t let me reduce it.
Still a bunch of money grubbers as far as I’m concerned!
Can recommend Octopus, they are great.